*{
    padding: 0px;
    margin: 0px;
}
.header{
    margin: 25px auto;
    width: 1200px;
}
.header .menu ul{
    display: none;
    list-style: none;
    position: absolute;
    width: 80px;
    opacity: 0.5;
    background-color: white;
}
.header .logo{
    float: left;
    position: relative;
}
.header .menu{
    float: left;
    position: relative;
    margin-top: 12px;
    margin-left: 16px;
}
/* 菜单显示折叠 */
/* .header .menu:hover ul{
    display: block;
} */
.header .menu ul li{
    margin-top: 20px;
    text-align: center;
}
.header .menu .menu_title{
    border-bottom: 1px solid black;
    padding-bottom: 20px;
    width: 80px;
    text-align: center;
}
a{
    text-decoration: none;
    color: black;
}
.header .auth{
    float: right;
}
.header .auth ul li{
    float: left;
    margin-right: 70px;
    margin-top: 12px;
    list-style: none;
}
.content{
    width: 1200px;
    margin: 25px auto;
}
.content .banner .banner-img{
    margin-top: 20px;
}
.content .img-content ul{
    width: 1280px;
}
.content .img-content ul li{
    width: 360px;
    float: left;
    margin: 0 60px 60px 0;
    list-style: none;
    /* 设置边框等格式 */
    margin-top: 30px;
    height: 500px;
    box-shadow: 2px 2px 3px 3px #ccc;
    -webkit-box-shadow: 2px 2px 3px 3px #ccc;/*谷歌浏览器*/
    -moz-box-shadow: 2px 2px 3px 3px #ccc;/*火狐*/
    background-color: #ffffff;
}
/* 设置标题 */
.info h3{
    font-size: 25px;
    color: red;
    margin-top: 20px;
    margin-bottom: 20px;
}
/* 段落标记 */
.info p{
    line-height: 25px;
    margin-bottom: 20px;
}
body{
    background-color: #f5f5f5;
}
.info{
    margin-left: 30px;
    margin-right: 30px;
}
.img-content>ul>li .price{
    color: red;
    font-size: 20px;
}
.img-content .info .img-btn{
    width: 300px; 
}
.img-content .info .img-btn .btn{
    width: 60px;
    height: 30px;
    background-color: red;
    text-align: center;
    border-radius: 5px;
    float: right;
}
.img-content .info .img-btn .cart img{
    width: 25px;
    height: 20px;
    margin-top: 5px;
}
.img-content .info .img-btn .price{
    float: left;
}
.page-nav ul li{
    float: left;
    margin-right: 20px;
    list-style: none;
}
.page-nav{
    width: 1200px;
    height: 60px;
    line-height: 60px;
    /* border: 1px solid black; */
    overflow: hidden;
}
.page-nav ul{
    width: 500px;
    margin: auto;
    overflow: hidden;
}
.first-page{
    border-radius: 50%;
    background-color: #c5c5c5;
    padding: 3px 9px;
}
.footer{
    width: 1200px;
    height: 100px;
    margin: 60px auto ;
    border-top: 1px solid #ccc ;
    overflow: hidden;
}
.footer p{
    text-align: center;
    line-height: 80px;
}
.footer span{
    color: #ff1493;
}